Open5GS sgwc s11-handler.c sgwc_s11_handle_downlink_data_notification_ack denial of service_CVE-2025-15539

6.9 / 10

MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

Description

A vulnerability was determined in Open5GS up to 2.7.6. Impacted is the function sgwc_s11_handle_downlink_data_notification_ack of the file src/sgwc/s11-handler.c of the component sgwc. This manipulation causes denial of service. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. Patch name: b4707272c1caf6a7d4dca905694ea55557a0545f. To fix this issue, it is recommended to deploy a patch. The issue report is flagged as already-fixed.

Basic Information

ID CVE-2025-15539

Source VulDB

Published Jan 18, 2026 at 23:32

Affected Product

Vendor n/a

Product Open5GS

Version 2.7.0

Affected Versions n/a Open5GS 2.7.0
n/a Open5GS 2.7.1
n/a Open5GS 2.7.2
n/a Open5GS 2.7.3
n/a Open5GS 2.7.4
n/a Open5GS 2.7.5
n/a Open5GS 2.7.6

CWE Classification

CWE-404

References

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    "lastseen": "",
    "description": "A vulnerability was determined in Open5GS up to 2.7.6. Impacted is the function sgwc_s11_handle_downlink_data_notification_ack of the file src/sgwc/s11-handler.c of the component sgwc. This manipulation causes denial of service. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. Patch name: b4707272c1caf6a7d4dca905694ea55557a0545f. To fix this issue, it is recommended to deploy a patch. The issue report is flagged as already-fixed.",
    "published": "2026-01-18T23:32:06.758Z",
    "modified": "2026-01-18T23:32:06.758Z",
    "type": "cve",
    "title": "Open5GS sgwc s11-handler.c sgwc_s11_handle_downlink_data_notification_ack denial of service",
    "source": "VulDB",
    "references": "https://vuldb.com/?id.341732\nhttps://vuldb.com/?ctiid.341732\nhttps://vuldb.com/?submit.735339\nhttps://github.com/open5gs/open5gs/issues/4230\nhttps://github.com/open5gs/open5gs/issues/4230#issue-3774173079\nhttps://github.com/open5gs/open5gs/commit/b4707272c1caf6a7d4dca905694ea55557a0545f",
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    "sourceData": "n/a Open5GS 2.7.0\nn/a Open5GS 2.7.1\nn/a Open5GS 2.7.2\nn/a Open5GS 2.7.3\nn/a Open5GS 2.7.4\nn/a Open5GS 2.7.5\nn/a Open5GS 2.7.6",
    "sourceHref": "",
    "cvss": {
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    "product": "Open5GS",
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